Abstract
Precise positioning of the target point during minimally invasive procedures is a major challenge associated with the use of image-based navigation systems. No significant dependence between fiducial registration error (FRE) and target registration error (TRE) was found. However, this investigation demonstrated the utility of using thin plate splines (TPS) and marker observation to monitor FRE during respiration to estimate target position based on the deformation field for minimally invasive procedures in deformable regions. The proposed methodology was verified via experiments involving 21 patients diagnosed with liver tumors. This method has been developed for real-time use while performing operations.
| Original language | English |
|---|---|
| Pages (from-to) | 4-10 |
| Number of pages | 7 |
| Journal | Computerized Medical Imaging and Graphics |
| Volume | 65 |
| DOIs | |
| Publication status | Published - Apr 2018 |
Keywords
- Breathing motion compensation
- Deformation compensation
- Minimally invasive deformable organ surgery
- Target registration error minimization
ASJC Scopus subject areas
- Radiological and Ultrasound Technology
- Radiology, Nuclear Medicine and Imaging
- Computer Vision and Pattern Recognition
- Health Informatics
- Computer Graphics and Computer-Aided Design
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